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mmc: atmel-mci: Simplify if(chan) and if(!chan)

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Use if(!host->dma.chan) instead of if(chan) and if(!chan) to make
code better.

Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Link: https://lore.kernel.org/r/20220427120310.838843-1-wanjiabing@vivo.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Wan Jiabing 2022-04-27 20:03:09 +08:00 committed by Ulf Hansson
parent 0e8bb6666e
commit 83961aacb2
1 changed files with 4 additions and 5 deletions
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9
drivers/mmc/host/atmel-mci.c
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@ -1122,13 +1122,12 @@ atmci_prepare_data_dma(struct atmel_mci *host, struct mmc_data *data)
}
/* If we don't have a channel, we can't do DMA */
chan = host->dma.chan;
if (chan)
host->data_chan = chan;
if (!chan)
if (!host->dma.chan)
return -ENODEV;
chan = host->dma.chan;
host->data_chan = chan;
if (data->flags & MMC_DATA_READ) {
host->dma_conf.direction = slave_dirn = DMA_DEV_TO_MEM;
maxburst = atmci_convert_chksize(host,